Process for producing pig iron and cement clinker
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United States of America Patent
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Mar 26, 1996
Grant Date -
N/A
app pub date -
Sep 20, 1994
filing date -
Jan 26, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a process for the preparation of pig iron and cement clinker in a fusion gasifier (3) in which the charge is at least partly preheated and possibly deacidified and subjected to preliminary reduction or is used in the form of scrap, coal is blown into a fluidized bed (7) and gasified with the reduction of the charge and pig iron (8) and slag (9) are tapped off in liquid form, the procedure is such that the lime charge introduced into the fusion gasifier (3), possibly together with a portion of an iron ore, is preheated in a preheating shaft (1) and calcined and charged according to the clinker composition required.
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